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8c3ee86d6d
Lazily create the rule list since most style rules won't have child rules. Remaining failures in the cssom tests are tracked in other bugs. Differential Revision: https://phabricator.services.mozilla.com/D180649
114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/CSSMediaRule.h"
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#include "mozilla/dom/CSSMediaRuleBinding.h"
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#include "mozilla/dom/MediaList.h"
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#include "mozilla/ServoBindings.h"
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namespace mozilla::dom {
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CSSMediaRule::CSSMediaRule(RefPtr<StyleMediaRule> aRawRule, StyleSheet* aSheet,
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css::Rule* aParentRule, uint32_t aLine,
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uint32_t aColumn)
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: ConditionRule(aSheet, aParentRule, aLine, aColumn),
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mRawRule(std::move(aRawRule)) {}
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CSSMediaRule::~CSSMediaRule() {
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if (mMediaList) {
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mMediaList->SetStyleSheet(nullptr);
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}
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}
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NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(CSSMediaRule, css::ConditionRule)
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NS_IMPL_CYCLE_COLLECTION_CLASS(CSSMediaRule)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(CSSMediaRule,
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css::ConditionRule)
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if (tmp->mMediaList) {
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tmp->mMediaList->SetStyleSheet(nullptr);
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tmp->mMediaList = nullptr;
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}
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(CSSMediaRule,
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css::ConditionRule)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMediaList)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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bool CSSMediaRule::IsCCLeaf() const {
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return ConditionRule::IsCCLeaf() && !mMediaList;
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}
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/* virtual */
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void CSSMediaRule::DropSheetReference() {
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if (mMediaList) {
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mMediaList->SetStyleSheet(nullptr);
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}
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ConditionRule::DropSheetReference();
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}
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void CSSMediaRule::SetRawAfterClone(RefPtr<StyleMediaRule> aRaw) {
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mRawRule = std::move(aRaw);
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if (mMediaList) {
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mMediaList->SetRawAfterClone(Servo_MediaRule_GetMedia(mRawRule).Consume());
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mMediaList->SetStyleSheet(nullptr);
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mMediaList->SetStyleSheet(GetStyleSheet());
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}
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css::ConditionRule::DidSetRawAfterClone();
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}
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already_AddRefed<StyleLockedCssRules> CSSMediaRule::GetOrCreateRawRules() {
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return Servo_MediaRule_GetRules(mRawRule).Consume();
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}
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StyleCssRuleType CSSMediaRule::Type() const { return StyleCssRuleType::Media; }
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#ifdef DEBUG
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/* virtual */
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void CSSMediaRule::List(FILE* out, int32_t aIndent) const {
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nsAutoCString str;
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for (int32_t i = 0; i < aIndent; i++) {
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str.AppendLiteral(" ");
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}
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Servo_MediaRule_Debug(mRawRule, &str);
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fprintf_stderr(out, "%s\n", str.get());
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}
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#endif
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void CSSMediaRule::GetConditionText(nsACString& aConditionText) {
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Media()->GetMediaText(aConditionText);
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}
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/* virtual */
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void CSSMediaRule::GetCssText(nsACString& aCssText) const {
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Servo_MediaRule_GetCssText(mRawRule, &aCssText);
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}
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/* virtual */ dom::MediaList* CSSMediaRule::Media() {
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if (!mMediaList) {
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mMediaList = new MediaList(Servo_MediaRule_GetMedia(mRawRule).Consume());
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mMediaList->SetStyleSheet(GetStyleSheet());
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}
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return mMediaList;
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}
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/* virtual */
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size_t CSSMediaRule::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const {
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// TODO Implement this!
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return aMallocSizeOf(this);
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}
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/* virtual */
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JSObject* CSSMediaRule::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return CSSMediaRule_Binding::Wrap(aCx, this, aGivenProto);
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}
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} // namespace mozilla::dom
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